Boston時間
05:30:33
日出: 08:12:01 
日落: 15:58:5913:30:33
08:30:33
02:30:33
11:00:33
23:30:33
13:30:33
10:30:33
13:30:33
13:30:33
11:00:33
08:30:33
13:30:33
11:30:33
14:30:33
02:30:33
Boston與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8